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continually increasing customer Notices satisfaction through improved Copyright © 1994-2000 Agilent process control. Technologies Deutschland GmbH. All rights reserved. No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Agilent Technologies, Inc. as governed by United States and international copyright laws. Warranty The material con
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The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer’s failure to comply with these requirements.
This product is a Safety Class 1 instrument (provided with a protective earth t
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To minimize shock hazard, the instrument chassis and cover must be connected to an electrical protective earth ground. The instrument must be connected to the ac power mains through a grounded power cable, with the ground wire firmly connected to an electrical ground (safety ground) at the power outlet. Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in pe
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!" #"! Adjustments described in this manual are performed with power supplied to the instrument while protective covers are removed. Be aware that energy at many points, if contacted, result in personal injury. Do not install substitute parts or perform any unauthorized modification to the instrument. Be aware that capacitors inside the instrument may still be charged even if the instrument has been connected from its source of supply.
To avoid hazardous ele
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The following work should be carried out by a qualified electrician. All local electrical codes must be strictly observed: If the plug on the cable does not fit the power outlet, or if the cable is to be attached to a terminal block, cut the cable at the plug end and rewire it. The color coding used in the cable depends on the cable supplied. If you are connecting a new plug, it should meet the local safety requirements and include the following features: Adequate load-carrying capacity
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The CAUTION sign denotes a hazard. It calls attention to an operating procedure, or the like, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the product. Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met. '"(%
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'" #%!( ) " #%!( This manual is divided into 4 parts: Chapter 1 tells you how to set up your Attenuator. Chapters 2 to 6 shows you what you can do with your Attenuator. Chapters 7 to 9 show you how you can remotely program your Attenuator, using GPIB commands. The appendices contain additional information not required for routine day-to-day use.
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*#)!&++" Any adjustment, maintenance, or repair of this product must be performed by qualified personnel. Contact your customer engineer through your local Agilent Technologies Service Center. You can find a list of local service representatives on the Web at: http://www.agilent-tech.com/services/English/index.html If you do not have access to the Internet, one of these centers can direct you to your nearest representative: !#&%
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Table of Contents 1 Getting Started 1.1 Using the Attenuator ..............................................29 Using the Modify Keys ...................................................... 29 1.2 Making an Attenuation Sweep ..............................30 Making an Automatic Sweep ............................................ 30 1.3 The Manual Sweep .................................................31 1.4 Using your Attenuator as a Variable Back Reflector 32 1.5 Using the Through-Power Mode
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Table of Contents 3.2 The Automatic Sweep ............................................48 Setting Up an Automatic Sweep ........................................48 Executing the Automatic Sweep ........................................50 3.3 The Manual Sweep .................................................51 Setting Up a Manual Sweep ...............................................51 Executing the Manual Sweep .............................................53 3.4 Example, an Automatic Attenuati
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Table of Contents 5.3 Selecting the Through-Power Mode .....................70 Deselecting the Through-Power Mode ............................... 71 Resetting the Through-Power Mode .................................. 71 5.4 Setting the Display Brightness ..............................71 Resetting the Display Brightness ....................................... 71 5.5 Selecting the Setting used at Power-On ...............72 Resetting the Power-On Setting ......................................
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Table of Contents 7.3 Returning the Instrument to Local Control ........83 7.4 How the Attenuator Receives and Transmits Messages 83 How the Input Queue Works ..............................................83 The Output Queue ..............................................................84 The Error Queue .................................................................84 7.5 Some Notes about Programming and Syntax Diagram Conventions ......................................................
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Table of Contents *TST? ................................................................................ 103 *WAI ................................................................................. 104 8.4 DISPlay Commands ................................................104 :DISPlay:BRIGhtness ........................................................ 104 :DISPlay:ENABle .............................................................. 105 8.5 INPut Commands ........................................
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Table of Contents :SYSTem:ERRor? ..............................................................122 8.9 User Calibration Commands .................................123 Entering the User Calibration Data ....................................123 9 Programming Examples 9.1 Example 1 - Checking Communication ................131 9.2 Example 2 - Status Registers and Queues ............132 9.3 Example 3 - Measuring and Including the Insertion Loss .......................................................
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Table of Contents A.6 Monitor Output ......................................................149 A.7 Optical Output ......................................................150 Disabling the Optical Output ............................................. 150 A.8 GPIB Interface ......................................................150 Connector ........................................................................... 151 GPIB Logic Levels ...........................................................
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Table of Contents D Performance Tests D.1 Equipment Required .............................................175 D.2 Test Record .............................................................177 D.3 Test Failure .............................................................177 D.4 Instrument Specification .......................................177 D.5 Performance Test ...................................................178 I. Total Insertion Loss Test .................................................1
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Table of Contents E.5 Cleaning Instrument Housings .............................257 E.6 Which Cleaning Procedure should I use ? ...........257 Light dirt ............................................................................. 257 Heavy dirt ........................................................................... 257 E.7 How to clean connectors ........................................258 Preferred Procedure ............................................................ 258 Procedure for St
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Table of Contents E.15 How to clean instruments with a recessed lens inter- face ..................................................................................265 Preferred Procedure .............................................................266 Procedure for Stubborn Dirt ................................................266 E.16 How to clean optical devices which are sensitive to me- chanical stress and pressure .........................................267 Preferred Procedure .............
